As far as I am aware, no schools were closed, and I don't see anyone wearing masks. In Shanghai the public has been much more responsive and has voiced concerns regarding poor air quality.
For reference check out the wsj articles below (if you google search the titles you can bypass the login requirement in order to read the articles).
Shanghai https://www.google.com/search?q=Shanghai+Hit+by+Heavy+Air+Pollution
Delhi https://www.google.com/search?q=Delhi%27s+dangerous+air+pollution+problem
Steps to Reduce Your Exposure (US Embassy - Beijing) http://beijing.usembassy-china.org.cn/20130201-pm25-steps.html